对信号进行频谱分析及滤波，加入重复控制，IDW距离反比加权方法。- The signal spectral analysis and filtering, Join repetitive control, IDW inverse distance weighting method.

IDW距离反比加权方法，现代信号处理中谱估计在matlab中的使用，music高阶谱分析算法。- IDW inverse distance weighting method, Modern signal processing used in the spectral estimation in matlab, music higher order spectral analysis algorithm.